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EP 3 289 514 A1

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(43) Date of publication: 07.03.2018 Bulletin 2018/10 (21) Application number: 16789443.5 (22) Date of filing: 14.04.2016

(51) International Patent Classification (IPC):  G06F 21/60(2013.01) H04L 29/06(2006.01) H04L 29/08(2006.01) H04W 12/06(2009.01) H04W 84/12(2009.01) (86) International application number: PCT/JP2016/002033 (87) International publication number: WO 2016/178304 (10.11.2016 Gazette 2016/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 01.05.2015 JP 2015094332 (71) Applicant: Ricoh Company, Ltd. Tokyo 143-8555 (JP)	(72) Inventor: AZUMA, Yoshikazu Tokyo 143-8555 (JP) (74) Representative: Schwabe - Sandmair - Marx  Patentanwälte Rechtsanwalt Partnerschaft mbB Joseph-Wild-Straße 20 81829 München 81829 München (DE) (56) References cited: :